Peyton Manning continues to study film three years after retiring from the NFL.
The Hall of Fame quarterback joined Brad Stevens and the Boston Celtics' film study in Denver this week.
"We did some back and forth, questions-wise, but we didn't want to put him on the spot," Celtics coach Brad Stevens said. "It was good to see him. I've known him since I've been in Indy; he's been a good friend of mine. It's pretty special to get the opportunity to know Peyton when I lived in Indy and now [Tom] Brady in New England. It's about as good as it gets.”
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